| Romanshorn to Dendermonde | 336.84 mi (542.08 km) |
| Romanshorn to Dessel | 317.12 mi (510.35 km) |
| Romanshorn to Destelbergen | 347.22 mi (558.79 km) |
| Romanshorn to Deurne | 335.15 mi (539.37 km) |
| Romanshorn to Diepenbeek | 291.38 mi (468.92 km) |
| Romanshorn to Diest | 305.73 mi (492.03 km) |
| Romanshorn to Diksmuide | 377.88 mi (608.14 km) |
| Romanshorn to Dilbeek | 322.64 mi (519.25 km) |
| Romanshorn to Dinant | 274.73 mi (442.13 km) |
| Romanshorn to Dison | 263.89 mi (424.69 km) |
| Romanshorn to Dour | 319.67 mi (514.46 km) |
| Romanshorn to Drongen | 351.56 mi (565.78 km) |
| Romanshorn to Duffel | 327.26 mi (526.68 km) |
| Romanshorn to Durbuy | 261.53 mi (420.88 km) |
| Romanshorn to Ecaussinnes-Lalaing | 312.76 mi (503.33 km) |
